Gene Information
Gene NameCR
OrganismHomo sapiens (Human)
Gene Length381
Protein NamesComplement decay-accelerating factor (CD antigen CD55)
Target NameNA
Target TypeNA
Gene AgeNA
Evolutionary StageNA
AlphaFoldDBP08174
Gene CardCD55
Uniprot IDP08174
PfamPF00084
In ASDno
Allosteric PredictionNA
Ortholog in AnimalsNA
OhnologsNA
ParalogsNA
TissueNA
Tissue SpecificityExpressed on the plasma membranes of all cell types that are in intimate contact with plasma complement proteins. It is also found on the surfaces of epithelial cells lining extracellular compartments, and variants of the molecule are present in body fluids and in extracellular matrix.
Pharmacological Animal ModelsNA
Gene Ontology
(biological process)
Gene Ontology
(cellular component)
Gene Ontology
(molecular function)
PDB 1H03  (X-ray  1.70A  1H04  (X-ray  2.00A  1H2P  (X-ray  2.80A  1H2Q  (X-ray  3.00A  1M11  (EM  16.00A  1NWV  (NMR  1OJV  (X-ray  2.30A  1OJW  (X-ray  2.30A  1OJY  (X-ray  2.60A  1OK1  (X-ray  2.60A  1OK2  (X-ray  2.50A  1OK3  (X-ray  2.20A  1OK9  (X-ray  3.00A  1UOT  (X-ray  3.00A  1UPN  (EM  16.00A  2C8I  (EM  14.00A  2QZD  (EM  2QZF  (EM  2QZH  (EM  14.00A  3IYP  (EM  3J24  (EM  9.00A  5FOA  (X-ray  4.19A  6ILJ  (EM  3.60A  6ILK  (EM  3.00A  6LA5  (EM  2.86A  7C9W  (EM  3.60A  7DO4  (X-ray  3.20A  7VY5  (EM  3.15A  7VY6  (EM  3.02A 
DBSNP rs28371588  rs28371588  rs147474393  rs1135402914  rs60822373  rs199705465  rs1135402917 
Subcellular location [CC][Isoform 1]: Cell membrane;
Single-pass type I membrane protein.;
[Isoform 2]: Cell membrane;
Lipid-anchor, GPI-anchor.;
[Isoform 3]: Secreted {ECO:0000269|PubMed:16503113}.;
[Isoform 4]: Secreted {ECO:0000269|PubMed:16503113}.;
[Isoform 5]: Secreted {ECO:0000269|PubMed:16503113}.;
[Isoform 6]: Cell membrane {ECO:0000305|PubMed:16503113};
Lipid-anchor, GPI-anchor {ECO:0000305|PubMed:16503113}.;
[Isoform 7]: Cell membrane {ECO:0000305|PubMed:16503113};
Lipid-anchor, GPI-anchor {ECO:0000305|PubMed:16503113}.
Mouse PG classificationNA
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